Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #11496
Date and Time Saturday 7th October 2017 10:24am
Approved Approved

Notes

Dark discharge out around mouth & along foreshore to east end of beach where it turns out to sea. Small waves entering over out flow. Longshore drift active across mouth. Flow on both sides of rocks but sand build up visible under water in front of rocks

Beach highest at east end. Large amount of dark silt & debris in swash line, heavier concentration at east end

Extremely large expanse of sand exposed on south side of estuary & across sand bar. Sea grass (blackened) exposed on exposed sand beside low track. Very small flathead Gudgeon/ Tupong trapped in pools left by low water level

Hooded Plover tracks in many areas along ocean beach -no nests sighted.         

4 Pelicans, 2 Shell duck,  1 White egret, small Cormorant on sandbar

 

Mouth Observation

Mouth state Open
Previous O O O O O O O O O O O O O O O O O O P O P C C O O O O O O O C O C C C O O O O O C O O O O O O O O O O O O O O O O
Flow Present? Yes
Previous Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y N N Y Y Y N Y Y Y N N N N N Y Y Y Y Y N Y Y Y N Y Y Y Y Y Y Y Y Y Y Y Y
Flow Direction Out
Previous O O O O O O O O O O O O O I I O O O I O I N N O O I N O O O N N N N N O O O O O N O O O N O O O O O O O O O O O O
Above Sea Above Estuary
Berm Height (m)
Berm Length (m)

Physical Condition

Current Mode
Wind Direction North-East
Beaufort Scale Gentle breeze
Sea State Rough

Water Levels and Tides

Water Level Start Finish
Height (m) 0.00m 0.00m
Time (hh:mm) 10:24 12:10
Tidal influence No
Tidal Range Time Height
High 14:04 0.880
Low 08:11 0.400

Observation Documents

Link Date File name Description

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11-10-2017 10:00 Gp1_20171007_1_212_053.JPG gp1_1

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11-10-2017 10:00 Gp1_20171007_2_252_054.JPG gp1_2

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11-10-2017 10:00 Gp1_20171007_3_292_055.JPG gp1_3

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11-10-2017 10:00 Gp1_20171007_4_332_056.JPG gp1_4

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11-10-2017 10:00 Gp1_20171007_5_372_057.JPG gp1_5
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